init

Signed-off-by: Hadi <[email protected]>

internal/config/func_config.go

@@ -0,0 +1,78 @@
+package config
+
+import (
+	_ "embed"
+	"errors"
+	"fmt"
+	"maps"
+	"os"
+	"path/filepath"
+	"reflect"
+
+	"github.com/go-viper/mapstructure/v2"
+	"github.com/spf13/viper"
+	"gopkg.in/yaml.v3"
+)
+
+func DefaultPath() string {
+	dir, err := os.UserConfigDir()
+	if err != nil {
+		dir = "."
+	}
+	return filepath.Join(dir, "default-creds-tui", "config.yaml")
+}
+
+func Load(path string) error {
+	var defaults map[string]any
+	if err := yaml.Unmarshal(defaultConfig, &defaults); err != nil {
+		return fmt.Errorf("default config: %w", err)
+	}
+	for k, v := range flatten("", defaults) {
+		viper.SetDefault(k, v)
+	}
+
+	viper.SetConfigType("yaml")
+	viper.SetConfigFile(path)
+	if err := viper.ReadInConfig(); err != nil {
+		if !errors.Is(err, os.ErrNotExist) {
+			return err
+		}
+	}
+
+	Global = &Config{}
+	hook := viper.DecodeHook(mapstructure.ComposeDecodeHookFunc(
+		stringToKeyBindingHook,
+		mapstructure.StringToTimeDurationHookFunc(),
+	))
+	if err := viper.Unmarshal(Global, hook); err != nil {
+		return err
+	}
+	fillHelp(reflect.ValueOf(&Global.Keybindings))
+	return nil
+}
+
+func WriteDefaultConfig(path string) error {
+	if err := os.MkdirAll(filepath.Dir(path), 0o750); err != nil {
+		return fmt.Errorf("create config dir: %w", err)
+	}
+	if err := os.WriteFile(path, defaultConfig, 0o600); err != nil {
+		return fmt.Errorf("write config: %w", err)
+	}
+	return nil
+}
+
+func flatten(prefix string, m map[string]any) map[string]any {
+	out := make(map[string]any)
+	for k, v := range m {
+		key := k
+		if prefix != "" {
+			key = prefix + "." + k
+		}
+		if nested, ok := v.(map[string]any); ok {
+			maps.Copy(out, flatten(key, nested))
+		} else {
+			out[key] = v
+		}
+	}
+	return out
+}